Definition of doom. 1  1 : a law or ordinance especially in Anglo-Saxon England. 2  2a : judgment, decision; especially : a judicial condemnation or sentenceb (1) : judgment 5a (2) : judgment day 1. 3  3a : destiny; especially : unhappy destinyb : death, ruin.
In its native range Exacum affine is an annual or short-lived perennial and is suitable for permanent outdoor cultivation only in humid tropical and subtropical areas. Grown as a pot plant, this plant requires a well-drained, but moist potting mix. Exacum will tolerate good light but not direct sun.
(syn. Hibiscus palustris) This shrublike herbaceous perennial is a vigorous grower with large, glabrous leaves and 4-5 wide flowers that range from pink to white. The flowers last only for one day, but they appear consistently until the end of the season. An amazing show of color and grace!